[src/trunk]: src/sys/dev/dm Add ioctls to query geometry.

[mlelstv <mlelstv%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/54dbeb4774f9
branches:  trunk
changeset: 433815:54dbeb4774f9
user:      mlelstv <mlelstv%NetBSD.org@localhost>
date:      Sat Oct 06 14:59:11 2018 +0000

description:
Add ioctls to query geometry.

diffstat:

 sys/dev/dm/device-mapper.c |  38 +++++++++++++++++++++++++++++++++++++-
 1 files changed, 37 insertions(+), 1 deletions(-)

diffs (52 lines):

diff -r fa4c7a0aed9e -r 54dbeb4774f9 sys/dev/dm/device-mapper.c
--- a/sys/dev/dm/device-mapper.c        Sat Oct 06 13:53:58 2018 +0000
+++ b/sys/dev/dm/device-mapper.c        Sat Oct 06 14:59:11 2018 +0000
@@ -1,4 +1,4 @@
-/*        $NetBSD: device-mapper.c,v 1.39 2017/10/28 04:53:55 riastradh Exp $ */
+/*        $NetBSD: device-mapper.c,v 1.40 2018/10/06 14:59:11 mlelstv Exp $ */
 
 /*
  * Copyright (c) 2010 The NetBSD Foundation, Inc.
@@ -508,6 +508,42 @@
                break;
        }
 
+       case DIOCGSECTORSIZE:
+       {
+               u_int *valp = data;
+               uint64_t numsec;
+               unsigned int secsize;
+
+               if ((dmv = dm_dev_lookup(NULL, NULL, minor(dev))) == NULL)
+                       return ENODEV;
+
+               aprint_debug("DIOCGSECTORSIZE ioctl called\n");
+
+               dm_table_disksize(&dmv->table_head, &numsec, &secsize);
+               *valp = secsize;
+
+               dm_dev_unbusy(dmv);
+               break;
+       }
+
+       case DIOCGMEDIASIZE:
+       {
+               off_t *valp = data;
+               uint64_t numsec;
+               unsigned int secsize;
+
+               if ((dmv = dm_dev_lookup(NULL, NULL, minor(dev))) == NULL)
+                       return ENODEV;
+
+               aprint_debug("DIOCGMEDIASIZE ioctl called\n");
+
+               dm_table_disksize(&dmv->table_head, &numsec, &secsize);
+               *valp = numsec;
+
+               dm_dev_unbusy(dmv);
+               break;
+       }
+
 
        default:
                aprint_debug("unknown disk_ioctl called\n");